This big international airport has a huge computerized central control system that maintained by an on-site field engineer — with help from the vendor half a world away.&The software engineers relied heavily on the knowledge and expertise of the field engineer to install our software on the running system,& says a support pilot fish working for the vendor.One day, the field engineer calls the vendor to say that the system BitBus device — which relays data between a network of sensors and the central control server — has a bug in its software.According to the engineer, the BitBus device runs fine for a day or two.

But then it begins &jabbering& — spewing corrupted messages onto the network — and has to be reset.To read this article in full, please click here